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Acknowledgments Nongthombam N

Its also an option to help people treat and manage chronic pain conditions, like fibromyalgia, myofascial pain syndrome, migraines, and chronic tension headaches

Please note that the other tests mentioned do not directly measure vitamin B12 levels but instead help assess factors related to B12 deficiency or excess

This means the FDA does not review these drugs for safety, efficacy, or quality before they reach patients